FGSL-300A engineering and water-well drilling rig adopts double pillar and large gantry frame which is up and down by itself, it is easy to discharge the mud having moving pipes, this type of driller is test in our factory, so the user do not need to test in the construction, it can drill and affuse slurry. This type of drilling rig is used in construction of bridges, high-rise, mining, ports, dams and deep well drilling.